EP2248275B1 - Signalisation de facteurs de gain dans un système de réseau de communication - Google Patents

Signalisation de facteurs de gain dans un système de réseau de communication Download PDF

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Publication number
EP2248275B1
EP2248275B1 EP08724101.4A EP08724101A EP2248275B1 EP 2248275 B1 EP2248275 B1 EP 2248275B1 EP 08724101 A EP08724101 A EP 08724101A EP 2248275 B1 EP2248275 B1 EP 2248275B1
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EP
European Patent Office
Prior art keywords
user equipment
gain factors
tfci
transport format
network side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08724101.4A
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German (de)
English (en)
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EP2248275A1 (fr
EP2248275A4 (fr
Inventor
Rong Hu
Qingyu Miao
Hai Wang
Mats SÄGFORS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of EP2248275A1 publication Critical patent/EP2248275A1/fr
Publication of EP2248275A4 publication Critical patent/EP2248275A4/fr
Application granted granted Critical
Publication of EP2248275B1 publication Critical patent/EP2248275B1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/283—Power depending on the position of the mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/288—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the usage mode, e.g. hands-free, data transmission, telephone

Definitions

  • the present invention relates to methods and arrangements in a communication network system and, more particularly, to arrangements for optimizing radio resource utilization as well as methods for such optimization.
  • E-DCH Enhanced Dedicated Channel
  • E-DPDCH Enhanced Dedicated Physical Data Channel
  • E-DPCCH Enhanced Dedicated Physical Control Channel
  • the transport format is different.
  • the desired transmission error performance for example, BLock Error Rate (BLER)
  • BLER BLock Error Rate
  • the power offset depends on the transport format used on the data channel. Usually there is a table to describe the relationship between the transport format and the required power offset.
  • the table index is signalled to the UE.
  • the gain factors need to be calculated by either interpolation or extrapolation based on the signalled gain factors of the reference transport formats.
  • the gain factors of these reference transport formats can be obtained by link-level simulations.
  • ⁇ ed , j ⁇ ed , ref ⁇ L e , ref L e , j ⁇ K e , j K e , ref
  • L e,ref and L e,j are the number of E-DPDCHs used for the reference E-DCH Transport Format Combination (E-TFC) and the j:th E-TFC respectively.
  • K e,ref and K e,j denote the transport block size of the reference E-TFC and the j:th E-TFC respectively.
  • 3GPP Release 7 there is a new interpolation based formula defined for uplink E-DPDCH gain factor for higher bit rates after introducing 16QAM. In current 3GPP specification, it is allowed to signal up to 8 reference gain factors from the network to UE.
  • E-TFCIs E-DCH Transport Format Combination Indicators
  • the selected E-TFCIs are usually small while for uploading services, the selected E-TFCIs are usually large.
  • the limited reference values are signalled to UE probably favourable for VoIP services, obviously the selected E-TFCIs for uploading services may be subject to much inaccuracy, and vice versa.
  • the current reference value is a quantized value, there is a quantization error and it is in fact not small in some sense. For example, if a ⁇ ed / ⁇ c value of 57 is needed, we have to use a ⁇ ed / ⁇ c value of either 53 or 60 by signalling ⁇ E-DPDCH of either 19 or 20.
  • RRC Radio Resource Control
  • EUL Enhanced Uplink
  • one objective with the present invention is to provide an improved method in a user equipment of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a transmit power and said user equipment is arranged to adjust said transmit power on said uplink channels according to gain factors received from said network side, wherein said user equipment is located in a location area of said communication network system.
  • this objective is achieved through a method as defined in the characterising portion of claim 1, which specifies that radio resource utilization is optimized by a method which performs the steps of when initially accessing said communication network system, sending to said network side what type of category said user equipment belongs to; receiving information on an enhanced dedicated channel transport format combination index (E-TFCI) table selected by said network side based on said sent category; and, receiving gain factors corresponding to said selected enhanced dedicated channel transport format combination index (E-TFCI) table solely during said access procedure from said network side instead of receiving gain factors during every session setup as long as said user equipment is in said location area.
  • E-TFCI enhanced dedicated channel transport format combination index
  • Another objective with the present invention is to provide an improved method in a communication network entity of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a transmit power and said user equipment is arranged to adjust said transmit power on said uplink channels according to gain factors received from said network side, wherein said user equipment is located in a location area of said communication network system.
  • this other objective is achieved through a method as defined in the characterising portion of claim 8, which specifies that radio resource utilization is optimized by a method which performs the steps of receiving from said user equipment what type of category said user equipment belongs to when said user equipment initially accesses said communication network system; selecting an enhanced dedicated channel transport format combination index (E-TFCI) table based on said received category; transmitting information on said selected enhanced dedicated channel transport format combination index (E-TFCI) table to said user equipment; and, transmitting to said user equipment gain factors corresponding to said selected enhanced dedicated channel transport format combination index (E-TFCI) table solely during said access procedure instead of transmitting gain factors during every session setup as long as said user equipment is in said location area.
  • E-TFCI enhanced dedicated channel transport format combination index
  • a further objective with the present invention is to provide an improved user equipment for optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a transmit power and said user equipment is arranged to adjust said transmit power on said uplink channels according to gain factors received from said network side, wherein said user equipment is located in a location area of said communication network system.
  • this further objective is achieved through a user equipment as defined in the characterising portion of claim 15, which specifies that radio resource utilization is optimized by a user equipment which comprises a transmitter arranged to send to said network side what type of category said user equipment belongs to when initially accessing the communication network system; and, a receiver arranged to receive information on an enhanced dedicated channel transport format combination index (E-TFCI) table selected by said network side based on said sent category and to receive gain factors corresponding to said selected enhanced dedicated channel transport format combination index (E-TFCI) table solely during said access procedure from said network side instead of receiving gain factors during every session setup as long as said user equipment is in said location area.
  • E-TFCI enhanced dedicated channel transport format combination index
  • a yet further objective with the present invention is to provide an improved communication network entity for optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a transmit power and said user equipment is arranged to adjust said transmit power on said uplink channels according to gain factors received from said network side, wherein said user equipment is located in a location area of said communication network system.
  • this further objective is achieved through a communication network entity as defined in the characterising portion of claim 22, which specifies that radio resource utilization is optimized by a communication network entity which comprises a receiver arranged to receive from said user equipment what type of category said user equipment belongs to when said user equipment initially accesses said communication network system; means for selecting an enhanced dedicated channel transport format combination index (E-TFCI) table based on said received category; and, a transmitter arranged to transmit information on said selected enhanced dedicated channel transport format combination index (E-TFCI) table to said user equipment and to transmit to said user equipment gain factors corresponding to said selected enhanced dedicated channel transport format combination index (E-TFCI) table solely during said access procedure instead of transmitting gain factors during every session setup as long as said user equipment is in said location area.
  • a communication network entity which comprises a receiver arranged to receive from said user equipment what type of category said user equipment belongs to when said user equipment initially accesses said communication network system; means for selecting an enhanced dedicated channel transport format combination index (E-TFCI) table based on said received category; and, a
  • FIG. 1 depicts a communication system including a Radio Access Network (RAN), such as the UMTS Terrestrial Radio Access Network (UTRAN) architecture, comprising at least one Radio Base Station (RBS) (eNode B or Node B) 15 (two are shown in figure 1 ) connected to one or more Radio Network Controllers (RNCs) 10.
  • the RAN is connected to a Core network (CN) 12.
  • the RAN and the CN 12 provide communication and control for a plurality of user equipments (UE) 18 that each uses downlink (DL) channels 16 and uplink (UL) channels 17.
  • DL downlink
  • UL uplink
  • Only one uplink channel is denoted 17 and one downlink channel denoted 16.
  • the RBS 15 transmits to each user equipment 18 at respective power level.
  • the user equipments 18 transmit data to the RBS 15 at respective power level.
  • the communication system is herein described as a WCDMA communication system.
  • the skilled person realizes that the inventive method and arrangement works very well on other packet based communications systems as well, such as a Long Term Evolution (LTE) system.
  • the user equipments 18 may be mobile stations such as mobile telephones ("cellular" telephones) and laptops with mobile termination and thus may be, for example, portable, pocket, hand-held, computer-included or car-mounted mobile devices which communicate voice and/or data with the RAN.
  • This invention proposes that, provided a UE category, the network signals all gain factors for all E-TFCIs through the Forward Access Channel (FACH) (or Enhanced FACH) to this UE only when UE turns power on rather than during every session setup.
  • FACH Forward Access Channel
  • Enhanced FACH Enhanced FACH
  • the network Since the network is aware of the UE category, in principle, it may signal all gain factors corresponding to one specific table to this UE. Different network vendors or even the same vendor are allowed to have different gain factors settings. For example, different factors might be set depending on whether interference cancellation is used for EUL or not.
  • Figures 2a, 2b and 2c illustrate the inventive signaling mechanisms.
  • the UE category information is sent to the network (step 21).
  • the network selects one UE specific E-TFCI table and informs this UE by using information element "E-TFCI table index”. Meanwhile, the network signals to the UE 18 the gain factors corresponding to this specific E-TFCI table (step 22).
  • the UE sends a location update message to the network (step 23), whereby the network decides whether this is a known UE, already registered, or if it is a new visitor.
  • the network may take one of three solutions as illustrated in Figures 2a, 2b and 2c :
  • solution A shown in fig. 2a , gain factors are always signalled to the UE 18 (step 24).
  • Solution A simplifies the signalling process to some extent because of less back-and-forth signalling procedure and the network doesn't need to store the information on whether or how the UE 18 has been configured before.
  • solution A has more signalling overhead, compared to the other two solutions described below.
  • solution B shown in fig. 2b , the network 15 directly responses with an configuration identity or alternatively configures all to the UE 18 (step 25).
  • the rationality is that in RRC Connected Mode, the UE and its configuration is known by the network, so the RNC should know the current gain factor configurations that the UE has in many cases.
  • the location update could be "conventional" as in current specification without any new indication, as long as the network responds with an indication of which configuration to use or alternatively configures all gain factors in standard fashion.
  • solution B has a requirement on the network side, i.e., the network needs to "remember" this type of configuration for each UE.
  • the network 15 updates the gain factors depending on the reported "gain factor version" from the UE 18 (step 26).
  • the location update is due to mobility (i.e. Cell- or UTRAN Routing Area change). In that case, the UE would not request any resources for data transmission. So the indication of "gain factor version” might be carried on RACH in principle by expanding the update message, i.e. in step 23. Currently, the Enhanced RACH Work Item for Rel-8 gives new opportunities for expanding such message. If the location updates result in a state-change to Cell-DCH, the indication may be carried on UL DCH.
  • Table 1 exemplifies the needed signalling qualities for different UE categories, assuming all gain factors need to be signalled. As discussed above, there is a quantization issue in current specifications, some methods seeking better accuracy in the gain factor configuration that would lead to the quantity issue, would be much worse due to the need of signalling these factors for many times. However, in this invention, if the gain factors are signalled just once, it is affordable to use more bits getting better accuracy, e.g. 8 bits for each gain factor.
  • the network may only signal part of gain factors corresponding to those E-TFCIs that will be used according to the designed PDU size. For some systems supporting of flexible RLC PDU sizes, the network may only need to signal part of gain factors depending on UE capabilities.
  • PDU Packet Data Unit
  • a differential method may be used to further reduce the signalling quantity. For instance, only the gain factor for the first E-TFCI is signalled to UE. The differential values between those gain factors for the first E-TFCI and other E-TFCIs are transmitted.
  • a general classification of different aspects that need to be configured in a UE might be:
  • the first class of configuration may either be broadcasted or sent by dedicated signalling to the UEs, while the second class must be signalled by dedicated signalling.
  • the current situation is that after releasing a RRC connection, maybe the network will with almost 100% certainty set up exactly the same RRC connection with the same RLC timers, MAC multiplexing information, transport format tables etc., which means all parameters will remain the same, but the network acts as if the UE was a memory-less device.
  • the proposed signalling mechanism in this invention may also be applied, i.e., the network signals these parameters only when UE turns power on and update them if necessary.
  • the UE could also be configured to keep its channelization configuration, and MAC multiplexing configuration as well.
  • a variant of the proposed signaling mechanism in this invention might be that those parameters may also be configured in a first RRC connection as does in current 3GPP specification. But after this UE has an RRC connection, UE may "remember" some parameters and the network may check the necessity of updating these parameters during other RRC connections to this UE later. This variant may also reduce the signalling overhead during RRC connection and reduce the RRC connection delay.
  • the procedure in a user equipment of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a transmit power, wherein said user equipment is located in a location area of said communication network system and when said user equipment is initially accessing said communication network system, comprises the step of receiving pre-determined values of pre-determined parameters solely during said initial access procedure from said network side instead of receiving said pre-determined values of said pre-determined parameters during every session setup as long as said user equipment is in said location area.
  • the procedure in a communication network entity of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a certain transmit power, wherein said user equipment is located in a location area of said communication network system and when said user equipment is initially accessing said communication network system, comprises the step of transmitting pre-determined values of pre-determined parameters solely during said initial access procedure to said user equipment instead of transmitting said pre-determined values of said pre-determined parameters during every session setup as long as said user equipment is in said location area.
  • the procedure in a user equipment of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a certain transmit power, whereby said user equipment is arranged to adjust the transmit power on said uplink channels according to gain factors received from said network side, as shown in fig. 3 , is as follows when said user equipment is located in a location area and accessing said communication network system:
  • the procedure in a communication network entity, such as a RBS, of optimizing radio resource utilization in a communication network system comprising a network side and a user equipment side between which data is transmitted on uplink and downlink channels with a certain transmit power, whereby said user equipment is arranged to adjust the transmit power on said uplink channels according to gain factors received from said network side, as shown in fig. 4 , is as follows when said user equipment is located in a location area and accessing said communication network system and the communication network entity is a part of said network side:
  • FIG. 5 is a block diagram showing a user equipment 18 and a radio base station (RBS) 15, such as Node B, for optimizing radio resource utilization in a communication network system, comprising a network side (e.g. comprising RBSs 15, RNCs and a CN) and a user equipment side between which data is transmitted on uplink 17 and downlink 16 channels with a certain transmit power, whereby said user equipment 18 is arranged to adjust the transmit power on said uplink channels 17 according to gain factors received from said network side.
  • the user equipment is located in a location area and accessing said communication network system when its power is turned on.
  • the RBS 15 (which is a communication network entity) comprises a radio transmitter 52 and a receiver 51.
  • the transmitter 52 is transmitting data to a receiver 57 of the user equipment 18 over a radio interface on the downlink channel 16.
  • the receiver 51 is receiving data from the user equipment 18 on the uplink channel 17.
  • the receiver 51 is, according to the present invention, arranged to receive from said user equipment what type of category said user equipment belongs to when said user equipment turns power on.
  • the RBS 15 further comprises means 53 for selecting an enhanced dedicated channel transport format combination index (E-TFCI) table based on said received category.
  • E-TFCI enhanced dedicated channel transport format combination index
  • the transmitter 52 is thereby arranged to transmit information on said selected E-TFCI table to said user equipment 18 and to transmit to said user equipment 18 gain factors corresponding to said selected E-TFCI table only during said access procedure instead of transmitting gain factors during every session setup.
  • said receiver 51 is further arranged to receive a location update registration.
  • the user equipment 18 comprises a radio transmitter 56 arranged to transmit data packets to the receiver 51 of the RBS 15 over the radio interface on the uplink channel 17 and a receiver 57 arranged to receive data packets transmitted from the transmitter 52 of the RBS 15 on the downlink channel 16.
  • the transmitter 56 is further arranged to send to said network side what type of category said user equipment belongs to when the power of said user equipment is turned on.
  • the receiver 57 is further arranged to receive information on an enhanced dedicated channel transport format combination index (E-TFCI) table selected by said network side based on said sent category and to receive gain factors corresponding to said selected E-TFCI table only during said access procedure from said network side instead of receiving gain factors during every session setup.
  • E-TFCI enhanced dedicated channel transport format combination index
  • the user equipment 18 further comprises means 58 for doing a location update registration when the user equipment 18 is moving into a new location area. Thereby one of the above described embodiments, shown in figures 2a - 2c , is selected.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Claims (16)

  1. Procédé, pour un équipement d'utilisateur, d'optimisation de l'utilisation de ressources radio dans un système de réseau de communication comprenant un côté réseau et un côté équipement d'utilisateur entre lesquels des données sont transmises sur des canaux de liaison montante (17) et de liaison descendante (16) avec une puissance d'émission, et ledit équipement d'utilisateur (18) est agencé de manière à ajuster ladite puissance d'émission sur lesdits canaux de liaison montante (17) selon des facteurs de gain reçus à partir dudit côté réseau, dans lequel ledit équipement d'utilisateur (18) est situé dans une zone de localisation dudit système de réseau de communication, caractérisé en ce que le procédé comprend les étapes ci-dessous consistant à :
    - lors d'un accès initial audit système de réseau de communication, signaler, dans un envoi audit côté réseau, à quelle catégorie appartient ledit équipement d'utilisateur ;
    - recevoir des informations sur une table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée par ledit côté réseau sur la base de ladite catégorie envoyée ;
    - recevoir des facteurs de gain, à partir dudit côté réseau, correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée, uniquement au cours de ladite procédure d'accès initial, au lieu de recevoir des facteurs de gain au cours de chaque établissement de session, tant que ledit équipement d'utilisateur est dans ladite zone de localisation.
  2. Procédé selon la revendication 1, caractérisé en ce que, lorsque ledit équipement d'utilisateur se déplace dans une nouvelle zone de localisation, le procédé comprend en outre l'étape consistant à mettre en oeuvre un enregistrement de mise à jour de zone de localisation.
  3. Procédé selon la revendication 2, caractérisé en ce que, après ledit enregistrement de mise à jour de zone de localisation, le procédé comprend en outre l'étape consistant à recevoir à nouveau des facteurs de gain correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) à partir dudit côté réseau.
  4. Procédé selon la revendication 2, caractérisé en ce que, après ledit enregistrement de mise à jour de zone de localisation, le procédé comprend en outre les étapes ci-dessous consistant à :
    - recevoir une identité de configuration à partir dudit côté réseau ;
    - facultativement, recevoir lesdits facteurs de gain mis à jour à partir dudit côté réseau.
  5. Procédé selon la revendication 1, caractérisé en ce que le procédé comprend en outre les étapes ci-dessous consistant à :
    - lorsque ledit équipement d'utilisateur se déplace dans une nouvelle zone de localisation, mettre en oeuvre un enregistrement de mise à jour de zone de localisation ;
    - signaler une version de facteur de gain audit côté réseau ;
    - recevoir, à partir dudit côté réseau, des facteurs de gain mis à jour sur la base de ladite version de facteur de gain signalée.
  6. Procédé selon la revendication 1, caractérisé en ce que lesdites données sont transmises dans des paquets présentant un nombre de bits prédéterminé et lesdits facteurs de gain reçus correspondent à un index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) qui est utilisé par cette taille spécifique de paquet de données.
  7. Procédé selon la revendication 1, caractérisé en ce que lesdits facteurs de gain reçus correspondent à un premier index de combinaison de formats de transport de canal dédié amélioré (E-TFCI), moyennant quoi le procédé comprend en outre l'étape de réception de valeurs différentielles entre ledit facteur de gain reçu pour ledit premier index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) et des facteurs de gain pour un autre index de combinaison de formats de transport de canal dédié amélioré (E-TFCI).
  8. Procédé, pour une entité de réseau de communication, d'optimisation de l'utilisation de ressources radio dans un système de réseau de communication comprenant un côté réseau et un côté équipement d'utilisateur entre lesquels des données sont transmises sur des canaux de liaison montante (17) et de liaison descendante (16) avec une puissance d'émission, et dans lequel ledit équipement d'utilisateur (18) est agencé de manière à ajuster ladite puissance d'émission sur lesdits canaux de liaison montante (17) selon des facteurs de gain reçus à partir dudit côté réseau, dans lequel ledit équipement d'utilisateur (18) est situé dans une zone de localisation dudit système de réseau de communication, caractérisé en ce que, lorsque ladite entité de réseau de communication fait partie dudit côté réseau, le procédé comprend les étapes ci-dessous consistant à :
    - recevoir, à partir dudit équipement d'utilisateur, un rapport indiquant à quelle catégorie appartient ledit équipement d'utilisateur, lorsque ledit équipement d'utilisateur accède initialement audit système de réseau de communication ;
    - sélectionner une table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sur la base de ladite catégorie reçue ;
    - transmettre des informations sur ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée audit équipement d'utilisateur ;
    - transmettre, audit équipement d'utilisateur, des facteurs de gain correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée, uniquement au cours de ladite procédure d'accès initial, au lieu de transmettre des facteurs de gain au cours de chaque établissement de session, tant que ledit équipement d'utilisateur est dans ladite zone de localisation.
  9. Procédé selon la revendication 8, caractérisé en ce que, lorsque ledit équipement d'utilisateur se déplace dans une nouvelle zone de localisation, le procédé comprend en outre l'étape consistant à recevoir un enregistrement de mise à jour de zone de localisation.
  10. Procédé selon la revendication 9, caractérisé en ce que, après ledit enregistrement de mise à jour de zone de localisation, le procédé comprend en outre l'étape consistant à transmettre à nouveau des facteurs de gain correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI), audit équipement d'utilisateur.
  11. Procédé selon la revendication 9, caractérisé en ce que, après ledit enregistrement de mise à jour de zone de localisation, le procédé comprend en outre les étapes ci-dessous consistant à :
    - transmettre une identité de configuration audit équipement d'utilisateur ;
    - facultativement, transmettre des facteurs de gain mis à jour audit équipement d'utilisateur.
  12. Procédé selon la revendication 8, caractérisé en ce que le procédé comprend en outre les étapes ci-dessous consistant à :
    - lorsque ledit équipement d'utilisateur se déplace dans une nouvelle zone de localisation, recevoir un enregistrement de mise à jour de zone de localisation ;
    - recevoir un rapport indiquant quelle version de facteur de gain ledit équipement d'utilisateur utilise ;
    - transmettre, audit équipement d'utilisateur, des facteurs de gain mis à jour sur la base de ladite version de facteur de gain signalée.
  13. Procédé selon la revendication 8, caractérisé en ce que lesdites données sont transmises dans des paquets présentant un nombre de bits prédéterminé et lesdits facteurs de gain transmis correspondant à un index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) qui est utilisé par cette taille spécifique de paquet de données.
  14. Procédé selon la revendication 8, caractérisé en ce que lesdits facteurs de gain transmis correspondent à un premier index de combinaison de formats de transport de canal dédié amélioré (E-TFCI), moyennant quoi le procédé comprend en outre l'étape consistant à transmettre des valeurs différentielles entre ledit facteur de gain transmis pour ledit premier index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) et des facteurs de gain pour un autre index de combinaison de formats de transport de canal dédié amélioré (E-TFCI).
  15. Équipement d'utilisateur (18) pour optimiser l'utilisation de ressources radio dans un système de réseau de communication comprenant un côté réseau et un côté équipement d'utilisateur entre lesquels des données sont transmises sur des canaux de liaison montante (17) et de liaison descendante (16) avec une puissance d'émission, et dans lequel ledit équipement d'utilisateur (18) est agencé de manière à ajuster ladite puissance d'émission sur lesdits canaux de liaison montante (17) selon des facteurs de gain reçus à partir dudit côté réseau, dans lequel ledit équipement d'utilisateur (18) est situé dans une zone de localisation dudit système de réseau de communication, caractérisé en ce que l'équipement d'utilisateur (18) comprend :
    - un émetteur (56) agencé de manière à envoyer, audit côté réseau, un rapport indiquant à quelle catégorie ledit équipement d'utilisateur (18) appartient, lors de l'accès initial au système de réseau de communication ;
    - un récepteur (57) agencé de manière à recevoir des informations sur une table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée par ledit côté réseau sur la base de ladite catégorie envoyée, et à recevoir des facteurs de gain à partir dudit côté réseau, correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée, uniquement au cours de ladite procédure d'accès initial, au lieu de recevoir des facteurs de gain au cours de chaque établissement de session, tant que ledit équipement d'utilisateur (18) est dans ladite zone de localisation.
  16. Entité de réseau de communication (15) pour optimiser l'utilisation de ressources radio dans un système de réseau de communication comprenant un côté réseau et un côté équipement d'utilisateur entre lesquels des données sont transmises sur des canaux de liaison montante (17) et de liaison descendante (16) avec une puissance d'émission, et dans lequel ledit équipement d'utilisateur (18) est agencé de manière à ajuster ladite puissance d'émission sur lesdits canaux de liaison montante (17) selon des facteurs de gain reçus à partir dudit côté réseau, dans lequel ledit équipement d'utilisateur (18) est situé dans une zone de localisation dudit système de réseau de communication, caractérisé en ce que, lorsque ladite entité de réseau de communication (15) faire partie dudit côté réseau, ladite entité de réseau de communication comprend :
    - un récepteur (51) agencé de manière à recevoir, à partir dudit équipement d'utilisateur (18), un rapport indiquant à quelle catégorie ledit équipement d'utilisateur (18) appartient, lorsque ledit équipement d'utilisateur (18) accède initialement audit système de réseau de communication ;
    - un moyen (53) pour sélectionner une table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sur la base de ladite catégorie reçue ;
    - un émetteur (52) agencé de manière à transmettre des informations sur ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée, audit équipement d'utilisateur (18), et à transmettre, audit équipement d'utilisateur (18), des facteurs de gain correspondant à ladite table d'index de combinaison de formats de transport de canal dédié amélioré (E-TFCI) sélectionnée, uniquement au cours de ladite procédure d'accès initial, au lieu de transmettre des facteurs de gain au cours de chaque établissement de session, tant que ledit équipement d'utilisateur (18) est dans ladite zone de localisation.
EP08724101.4A 2008-02-29 2008-02-29 Signalisation de facteurs de gain dans un système de réseau de communication Not-in-force EP2248275B1 (fr)

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WO2013051974A1 (fr) * 2011-10-07 2013-04-11 Telefonaktiebolaget L M Ericsson (Publ) Annulation de brouillage
EP2786631B1 (fr) * 2011-11-30 2018-08-01 Telefonaktiebolaget LM Ericsson (publ) Planification de liaison montante lors de l'utilisation de la suppression du brouillage
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US9456426B2 (en) * 2013-12-06 2016-09-27 Qualcomm Incorporated Determining a gain factor for transmit power control in enhanced uplink
GB2529939B (en) * 2014-09-03 2018-05-09 Loadhog Ltd Load cap

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US7110771B2 (en) * 2003-04-17 2006-09-19 Interdigital Technology Corporation Method for implementing fast-dynamic channel allocation call admission control for radio link reconfiguration in radio resource management
JP3847737B2 (ja) * 2003-08-12 2006-11-22 松下電器産業株式会社 通信端末装置及び送信電力制御方法
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EP1718098B1 (fr) * 2004-12-15 2008-07-23 Matsushita Electric Industrial Co., Ltd. Support du traffic à débit binaire garanti pour les transmissions de la liaison montante
KR100918761B1 (ko) * 2005-01-06 2009-09-24 삼성전자주식회사 무선통신 시스템에서 상향링크 서비스를 위한 이득인자 설정 방법
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JPWO2007043098A1 (ja) * 2005-09-30 2009-04-16 三菱電機株式会社 移動局及び通信方法
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EP2248275A4 (fr) 2014-02-26
WO2009108088A1 (fr) 2009-09-03
US8606283B2 (en) 2013-12-10
US20100317361A1 (en) 2010-12-16

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